Granted Patent
Utility
US 4,434,736 · App. 06/458,425
Strain controlled sewing machine mount
Inventors:
Jan Szostak, Albert L. Newman
Patented Case
View Patent ↗
Granted: Mar 6, 1984
Filed: Jan 17, 1983
Inventors
Jan Szostak
Albert L. Newman
Assignee (at issue)
The Singer Company Limited
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.